[INFO] fetching crate backbone 0.1.0...
[INFO] testing backbone-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate backbone 0.1.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate backbone 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backbone 0.1.0
[INFO] finished tweaking crates.io crate backbone 0.1.0
[INFO] tweaked toml for crates.io crate backbone 0.1.0 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate crates.io crate backbone 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21acf0edbc81c79f0806ccda6a591726970831ba50628fee0a4881414868405c
[INFO] running `Command { std: "docker" "start" "-a" "21acf0edbc81c79f0806ccda6a591726970831ba50628fee0a4881414868405c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21acf0edbc81c79f0806ccda6a591726970831ba50628fee0a4881414868405c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21acf0edbc81c79f0806ccda6a591726970831ba50628fee0a4881414868405c", kill_on_drop: false }`
[INFO] [stdout] 21acf0edbc81c79f0806ccda6a591726970831ba50628fee0a4881414868405c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 674d55adfea52a6e36a53a75cc66707d83574b520f6434f416969fcd55ce075d
[INFO] running `Command { std: "docker" "start" "-a" "674d55adfea52a6e36a53a75cc66707d83574b520f6434f416969fcd55ce075d", kill_on_drop: false }`
[INFO] [stderr]    Compiling backbone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "674d55adfea52a6e36a53a75cc66707d83574b520f6434f416969fcd55ce075d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674d55adfea52a6e36a53a75cc66707d83574b520f6434f416969fcd55ce075d", kill_on_drop: false }`
[INFO] [stdout] 674d55adfea52a6e36a53a75cc66707d83574b520f6434f416969fcd55ce075d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15d0ee17cedb8f1cbfc571bb633dea7fd537ef4307a0ac82726f19a82551ed09
[INFO] running `Command { std: "docker" "start" "-a" "15d0ee17cedb8f1cbfc571bb633dea7fd537ef4307a0ac82726f19a82551ed09", kill_on_drop: false }`
[INFO] [stderr]    Compiling backbone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "15d0ee17cedb8f1cbfc571bb633dea7fd537ef4307a0ac82726f19a82551ed09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d0ee17cedb8f1cbfc571bb633dea7fd537ef4307a0ac82726f19a82551ed09", kill_on_drop: false }`
[INFO] [stdout] 15d0ee17cedb8f1cbfc571bb633dea7fd537ef4307a0ac82726f19a82551ed09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9fae57a4ceea0fd4ace6a6586774da749da5ccc04abbf93ec1f6850acffd5b1
[INFO] running `Command { std: "docker" "start" "-a" "d9fae57a4ceea0fd4ace6a6586774da749da5ccc04abbf93ec1f6850acffd5b1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/backbone-f0d0670609f705c8)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d9fae57a4ceea0fd4ace6a6586774da749da5ccc04abbf93ec1f6850acffd5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9fae57a4ceea0fd4ace6a6586774da749da5ccc04abbf93ec1f6850acffd5b1", kill_on_drop: false }`
[INFO] [stdout] d9fae57a4ceea0fd4ace6a6586774da749da5ccc04abbf93ec1f6850acffd5b1